12 lines
274 B
Ruby
12 lines
274 B
Ruby
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require 'resolv'
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dns = Resolv::DNS.new
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domain = "oreilly.com"
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dns.each_resource(domain, Resolv::DNS::Resource::IN::MX) do |mail_server|
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puts mail_server.exchange
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end
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dns.each_resource(domain, Resolv::DNS::Resource::IN::NS) do |nameserver|
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puts nameserver.name
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end
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